revert: re PR tree-optimization/41488 (IVOpts cannot coalesce multiple induction variables)
Reverted:
2013-12-10 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/41488
* tree-ssa-loop-ivopts.c (add_old_iv_candidates): Don't add cand
for PEELED_CHREC kind IV.
* tree-scalar-evolution.c: Include necessary header files.
(peeled_chrec_map, simplify_peeled_chrec): New.
(analyze_evolution_in_loop): New static variable.
Call simplify_peeled_chrec.
(scev_initialize): Initialize peeled_chrec_map.
(scev_reset, scev_finalize): Reset and release peeled_chrec_map.
Reverted:
2013-12-10 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/41488
* gcc.dg/tree-ssa/scev-7.c: New test.
* gcc.dg/pr41488.c: New test.
From-SVN: r205880